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to smoke (e.g. a pipe); to puff (a cigarette); to burn (incense)
彼かれはパイプを薫らしかおらして考えかんがえた。
He puffed on his pipe and thought.
香こうを薫らすかおらすことで心こころを落ち着かおちつかせた。
Burning incense calmed his mind.